Emergency fiberesophago-gastroscopy.
D004630:Emergencies; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008722:Methods
Fibroesofago-gastroscopia de urgencia.